Dynamic Linking

I run a site called [url removed, login to view] and I am looking for a script that will go through the postings and create dynamic links of relevant data that is in the DB. So, if say a particular name is in the db it will go out and scan all postings and if it is in the posting a link will be created. This link will connect to a page with relevant info for say this name. There will be other fields that the script will put dynamic links as well. Also, it must run on a cron job or be created prior to page generation. Please contact me if additional information is required.